import Element from './runtime/element'
const screenWidth = window.innerWidth
const screenHeight = window.innerHeight
import BackGround from './runtime/background'
import Login from './runtime/login'
import GameInfo from './runtime/gameinfo'
import Music from './runtime/music'
let ctx = canvas.getContext('2d')
const scalx = screenWidth / 375
const scaly = screenHeight / 667
const numberY = 6; //行
const numberX = 6; //
const imgW = 47.5 * scalx;
const imgH = 46.5 * scaly;
const ceilX = 45 * scalx;
const ceilY = 128 * scaly;
const fixedW = 95;
const animal = [0, 1, 2, 3, 4]; //元素种类
const BG_IMG_SRC = 'images/bg.jpg'
const BG_IMG_SRC2 = 'images/play.png'
let minute = 0; //控制动画速度

export default class App {
  constructor() {
    this.aniId = 0
    this.boxData = []; // 消消乐数据
    this.startCoordinates = [0, 0]; // 开始的坐标位置
    this.endCoordinates = [0, 0]; // 结束的坐标位置
    this.clickbox = []; // 点击的方块位置
    this.click = 0;
    this.isSwaping = false;
    this.isClear = false;
    this.boxArray = {}
    this.speed = 0;
    this.anB = 0;
    this.maxx = 0;
    this.repeat = false;
    this.score = {
      num: 0,
      animal: 0
    }
    this.hoverImage = {
      animal: 0,
      x: 0,
      y: 0
    };
    this.hoverSpeed = 0;
    this.timer = 0;
    this.fill = false;
    this.w = 0;
    this.draw = false;
    this.restart();
  }

  restart() {
    this.login = new Login()
    this.bindLoop = this.loop.bind(this)
    this.bg = new BackGround(ctx, BG_IMG_SRC);
    this.bg2 = new BackGround(ctx, BG_IMG_SRC2);
    this.ele = new Element(ctx);
    this.gameinfo = new GameInfo(ctx);
    this.bindLoop = this.loop.bind(this);
    this.music = new Music();
    canvas.removeEventListener(
      'touchstart',
      this.touchHandler
    )
    this.aniId = window.requestAnimationFrame(
      this.bindLoop,
      canvas
    )
  }
  step1() {
    ctx.clearRect(0, 0, canvas.width, canvas.height)
    this.bg.render(ctx);
    this.login.render(ctx);
    this.touchHandler = this.touchEventHandler.bind(this)
    canvas.addEventListener('touchstart', this.touchHandler)
  }
  touchEventHandler(e) {
    e.preventDefault()
    let x = e.touches[0].clientX
    let y = e.touches[0].clientY

    let area = this.login.btnArea

    if (x >= area.startX &&
      x <= area.endX &&
      y >= area.startY &&
      y <= area.endY) {
      this.secenceChange()
    }
  }
  secenceChange() {
    canvas.removeEventListener(
      'touchstart',
      this.touchHandler
    )
    this.boxArray = {}
    window.cancelAnimationFrame(this.aniId);
    console.log(this.aniId)
    this.up = this.update.bind(this)
    this.bgupdate()
    this.aniId = window.requestAnimationFrame(this.up, canvas)
    this.music.secen2()
  }

  initEvent() {
    canvas.addEventListener('touchstart', this.touchHandlerStart.bind(this))
    canvas.addEventListener('touchmove', this.touchHanderMove.bind(this))
    canvas.addEventListener('touchend', this.touchEnd.bind(this))
  }
  touchHandlerStart(e) {
    if (this.fill) {
      return;
    }
    e.preventDefault()
    this.isSwaping = false
    this.repeat = false;
    this.boxArray = {}
    let x = e.touches[0].clientX - ceilX
    let y = e.touches[0].clientY - ceilY
    this.draw = false
    if (x > 0 && y > 0 && x < (imgW * numberX + ceilX) && y < imgH * numberY + ceilY) {
      this.startCoordinates = [x, y];
      this.clickbox[0] = Math.ceil(x / imgW) - 1
      this.clickbox[1] = Math.ceil(y / imgH) - 1
      let col = this.clickbox[1]
      let row = this.clickbox[0]
      this.hoverImage = {
        animal: this.boxData[row][col].animal,
        x: row,
        y: col
      }
      console.log("start1")
      setTimeout(() => {
        this.hover();
        this.date1 = new Date();
      }, 0);
    }


    //点击重玩区域
    this.againPalyArea(e)



  }
  hover() {
    this.bgupdate();
    this.boxData.forEach((item, x) => {
      item.forEach((it, y) => {
        this.ele.render(ctx, it['animal'] * fixedW, 0, imgW * x + ceilX, imgH * y + ceilY);
      })
    })
    this.ele.renderHover(ctx, this.hoverImage.animal * 95, 0, imgW * this.hoverImage.x + ceilX, imgH * this.hoverImage.y + ceilY);

  }



  againPalyArea(e) {
    let x = [],
      y = [];
    x[0] = 214 * scalx;
    x[1] = 214 * scalx + 100 * scalx;
    y[0] = screenHeight - 107 * scaly;
    y[1] = screenHeight - 36 * scaly;
    //点击重玩区域
    if (e.touches[0].clientX > x[0] && e.touches[0].clientY > y[0] && e.touches[0].clientX < x[1] && e.touches[0].clientY < y[1]) {
      this.secenceChange()
    }

  }
  //交换
  touchHanderMove(e) {
    this.date2 = new Date();
    console.log((this.date2 - this.date1) * 3600 / 24 * 60 * 60, "start2")
    e.preventDefault()
    let x = e.touches[0].clientX - ceilX
    let y = e.touches[0].clientY - ceilY
    this.endCoordinates = [x, y];
    //点击 交换区域
    if (x > 0 && y > 0 && x < (ceilX + imgW * numberX) && y < ceilY + imgH * numberY) {
      this.swap() //交换位置
      this.isReapet();


      if (this.repeat) {

        this.isSwaping = true;
        if (this.draw) return
        this.music.playswapAudio()
        this.drawBlock();


      }

    }

  }

  touchEnd(e) {
    window.requestAnimationFrame(() => {
      if (this.isSwaping) {
        this.clear();
        this.down();
        this.fillBlock();

      }

    }, canvas)

  }
  //
  drawBlock() {
    this.bgupdate();
    this.draw = true;

    this.boxData.forEach((item, x) => {
      item.forEach((it, y) => {
        this.ele.render(ctx, it['animal'] * fixedW, 0, imgW * x + ceilX, imgH * y + ceilY);
      })
    })

  }


  //swap 二二交换
  swap() {
    const moveX = this.endCoordinates[0] - this.startCoordinates[0];
    const moveY = this.endCoordinates[1] - this.startCoordinates[1];
    const col = this.clickbox[0]; //y
    const row = this.clickbox[1]; //x
    if (Math.abs(moveX) > Math.abs(moveY) && moveX > 0) { // 从左到右
      let tmp = this.boxData[col + 1][row];
      this.boxData[col + 1][row] = this.boxData[col][row];
      this.boxData[col][row] = tmp;
    } else if (Math.abs(moveX) > Math.abs(moveY) && moveX < 0) { // 从右到左
      let tmp = this.boxData[col - 1][row]
      this.boxData[col - 1][row] = this.boxData[col][row];
      this.boxData[col][row] = tmp;



    } else if (Math.abs(moveY) > Math.abs(moveX) && moveY > 0) { // 从上到下
      let tmp = this.boxData[col][row + 1]
      this.boxData[col][row + 1] = this.boxData[col][row];
      this.boxData[col][row] = tmp;

    } else if (Math.abs(moveY) > Math.abs(moveX) && moveY < 0) { // 从下到上
      let tmp = this.boxData[col][row - 1]
      this.boxData[col][row - 1] = this.boxData[col][row];
      this.boxData[col][row] = tmp;
    }




  }
  bgupdate() {
    ctx.clearRect(0, 0, screenWidth, screenHeight);
    this.bg2.render(ctx, 0, 0, 2, 2);
    this.gameinfo.renderGameScore(ctx)
  }

  downgame() {
    this.bgupdate();

    this.boxData.forEach((item, x) => {
      item.forEach((it, y) => {
        if (this.boxData[x][y]['match'] > 0) {
          //  this.ele.render(ctx,it['animal']*fixedW,0,imgW*x+ceilX,imgH*y+ceilY,true);
          if (this.score.animal == it['animal']) {
            this.score.num++;
          }
          let key = x + '' + y
          this.boxArray[key] = {
            x: imgW * x + ceilX,
            y: ceilY + imgH * y,
            animal: animal[Math.floor(Math.random() * 5)],
            match: 0
          }
          this.maxx = this.max(y, this.maxx)



        } else {
          this.ele.render(ctx, it['animal'] * fixedW, 0, imgW * x + ceilX, imgH * y + ceilY);
        }
      })
    })
    this.gameinfo.renderImage(ctx, this.score.num)
    console.log(this.score.num, "xxxxxxxxxxx")
  }
  //隐藏要消灭的元素
  clear() {

    this.bgupdate();
    this.boxData.forEach((item, x) => {
      item.forEach((it, y) => {
        if (this.boxData[x][y]['match'] > 0) {
          this.ele.render(ctx, it['animal'] * fixedW, 0, imgW * x + ceilX, imgH * y + ceilY, true);

        } else {
          this.ele.render(ctx, it['animal'] * fixedW, 0, imgW * x + ceilX, imgH * y + ceilY);
        }
      })
    })




  }
  //检测是否重复
  isReapet() {
    this.boxData.forEach((item, x) => {
      item.forEach((it, y) => {
        let vb = x + 2 < numberX && this.boxData[x][y]['animal'] == this.boxData[x + 1][y]['animal'] && this.boxData[x + 1][y]['animal'] == this.boxData[x + 2][y]['animal'];
        let vy = y + 2 < numberY && this.boxData[x][y]['animal'] == this.boxData[x][y + 2]['animal'] && this.boxData[x][y + 1]['animal'] == this.boxData[x][y + 2]['animal'];
        if (vb) {
          ++this.boxData[x][y].match;
          ++this.boxData[x + 1][y].match;
          ++this.boxData[x + 2][y].match;

        }
        if (vy) {
          ++this.boxData[x][y].match;
          ++this.boxData[x][y + 1].match;
          ++this.boxData[x][y + 2].match;

        }
        if (vb || vy) {
          this.repeat = true;
        }

      })
    })

  }
  //方块下落
  down() {
    for (let x = numberY - 1; x > -1; x--) { //行
      for (let y = 0; y < numberX; y++) { //列
        if (this.boxData[y][x].match) {
          for (let k = x - 1; k > -1; k--) {
            if (this.boxData[y][k].match == 0) {
              let temp = this.boxData[y][k];
              this.boxData[y][k] = this.boxData[y][x]
              this.boxData[y][x] = temp;
              break;

            }

          }

        }
      }

    }
    this.downgame();



  }

  fillBlock() {
    this.fill = true;

    for (let key in this.boxArray) {

      this.ele.renderBoom(ctx, this.speed * 93, 0, this.boxArray[key].x, this.boxArray[key].y);
      if (this.isauto) {
        this.music.playisAudio()
      } else {
        this.music.playclearAudio()
      }
      this.ele.render(ctx, this.boxArray[key]['animal'] * fixedW, 0, this.boxArray[key].x, minute - parseInt((this.maxx + 1) * imgH) + this.boxArray[key].y)

    }
    this.loopBlock();

  }
  max(a, b) {
    return a > b ? a : b
  }

  loopBlock() {
    this.anB = window.requestAnimationFrame(() => {
      minute += 4;

      if (minute < parseInt((this.maxx + 1) * imgH)) {
        this.clear()
          ++this.speed

        this.fillBlock()
      } else {
        window.cancelAnimationFrame(this.anB);
        this.clear()
        for (let key in this.boxArray) {
          console.log(key, "key11")
          let ma = this.boxArray[key]['animal'] * fixedW
          this.ele.render(ctx, ma, 0, this.boxArray[key].x, this.boxArray[key].y)
          let x = key.substring(0, 1);
          let y = key.substring(1, 2);
          this.boxData[x][y]['animal'] = this.boxArray[key]['animal']
          this.boxData[x][y]['match'] = this.boxArray[key]['match']
        }
        minute = 0;
        this.isauto = false
        this.speed = 0;
        this.repeat = false;
        this.isReapet()
        console.log(this.boxData, this.repeat, "下落")
        if (this.repeat) {
          this.boxArray = {}
          setTimeout(() => {
            this.clear()
            this.down()
            this.isauto = true;
            this.fillBlock()
          }, 1000)

        } else {
          this.fill = false
        }

      }



    }, canvas)


  }
  touchHanderEnd(e) {
    e.preventDefault();
    canvas.removeEventListener('touchstart', this.touchHandlerStart.bind(this))
    canvas.removeEventListener('touchmove', this.touchHanderMove.bind(this))

  }


  update() {
    this.enemyGenerate();
    this.initEvent();
    this.gameinfo.renderImage(ctx, this.score.num)
  }
  loop() {
    this.step1();
    this.aniId = window.requestAnimationFrame(this.bindLoop, canvas)
  }
  /**
   * 随机方块生成逻辑
   * 帧数取模定义成生成的频率
   * 左边和左边的左边
   * 下边和下边的下边
   */
  enemyGenerate() {
    this.boxData = [];
    for (let i = 0; i < numberX; i++) {
      for (let j = 0; j < numberY; j++) {
        if (j == 0) this.boxData[i] = new Array(numberY)
        this.boxData[i][j] = {
          animal: animal[Math.floor(Math.random() * 5)],
          match: 0
        }
        while (i > 1 && this.boxData[i][j]['animal'] == this.boxData[i - 2][j]['animal'] || j > 1 && this.boxData[i][j]['animal'] == this.boxData[i][j - 2]['animal']) this.boxData[i][j]['animal'] = animal[Math.floor(Math.random() * 4)]


      }
    }

    this.boxData.forEach((item, x) => {
      item.forEach((it, y) => {
        this.ele.render(ctx, it['animal'] * fixedW, 0, imgW * x + ceilX, imgH * y + ceilY);
      })

    })

  }

}